Monai Krairiksh
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View article: A circularly polarized tunable frequency circular patch antenna for S-band space base application
A circularly polarized tunable frequency circular patch antenna for S-band space base application Open
This research proposes a unidirectional circularly polarized tunable frequency circular patch antenna scheme for S-band uplink satellite communications. In the antenna scheme, the circular radiating patch is enclosed by 4×8 rectangular-sha…
View article: CMA-Based Quadruple-Cluster Leaf-Shaped Metasurface-Based Wideband Circularly-Polarized Stacked-Patch Antenna Array for Sub-6 GHz 5G Applications
CMA-Based Quadruple-Cluster Leaf-Shaped Metasurface-Based Wideband Circularly-Polarized Stacked-Patch Antenna Array for Sub-6 GHz 5G Applications Open
This research proposes a quadruple-cluster leaf-shaped metasurface (MTS)-based circularly-polarized (CP) stacked-patch antenna array with hybrid coupler feed network for sub-6 GHz 5G applications. In the study, the leaf-shaped MTS-based CP…
View article: Broadband Multi-Shaped Metasurface Circularly Polarized Antenna With Suppressed Non-CP Radiation Modes
Broadband Multi-Shaped Metasurface Circularly Polarized Antenna With Suppressed Non-CP Radiation Modes Open
In this research, a multi-shaped metasurface broadband circularly polarized (CP) patch antenna with parasitic elements is proposed for 5G new radio (NR) applications. The proposed metasurface CP patch antenna comprises triple-layered subst…
View article: Approximated Backscattered Wave Models of a Lossy Concentric Dielectric Sphere for Fruit Characterization
Approximated Backscattered Wave Models of a Lossy Concentric Dielectric Sphere for Fruit Characterization Open
Approximated models of electromagnetic waves scattered from a sphere with two different dielectric layers were developed and reported in this paper. We proposed that the dielectric properties of a concentric dielectric sphere object, for e…
View article: CMA-Based Four-Element Broadband Circularly Polarized Octagonal-Ring Slot Antenna Array for S-Band Satellite Applications
CMA-Based Four-Element Broadband Circularly Polarized Octagonal-Ring Slot Antenna Array for S-Band Satellite Applications Open
This research proposes a low-complexity and low-profile four-element circularly polarized (CP) octagonal-ring slot antenna array with sequentially-rotated feed network for S-band satellite applications. The proposed antenna array is charac…
View article: Simple and Effective Design Concept for Constructing In-Situ Soil Dielectric Property Sensor With Dual Low-Cost COTS Microwave Modules
Simple and Effective Design Concept for Constructing In-Situ Soil Dielectric Property Sensor With Dual Low-Cost COTS Microwave Modules Open
This paper presents a compact sensor system for estimating the dielectric properties of materials based on commercial, off-the-shelf (COTS) modules. The dielectric constant and conductivity of a material under test can be determined from t…
View article: Dual-Band Circularly Polarized Omni-Directional Biconical Antenna With Double-Circular Parallelepiped Elements for WLAN Applications
Dual-Band Circularly Polarized Omni-Directional Biconical Antenna With Double-Circular Parallelepiped Elements for WLAN Applications Open
This research proposes a novel dual-band (2.45/5.80 GHz) omnidirectional circularly polarized (CP) biconical antenna with double-circular parasitic parallelepiped elements for wireless local area network (WLAN) applications. The proposed d…
View article: Narrow-Beam Antenna for Short-Distance Non-Destructive Sensor in Fruit-Ripeness Monitoring
Narrow-Beam Antenna for Short-Distance Non-Destructive Sensor in Fruit-Ripeness Monitoring Open
Radiation pattern subtraction is a useful technique for narrowing a receiving antenna's radiation pattern in a short-distance, non-destructive sensor. The sensor's antenna was developed to be compact and light-weight as well as to operate …
View article: [ECTI-CON 2019 Front Matter]
[ECTI-CON 2019 Front Matter] Open
Proceedings of ECTI-CON 2019 ECTI-CON 2019, which will be held this year for the 16th time at D Varee Jomtien Beach, Pattaya, Chonburi, from 10-13 July 2019.Therefore, it is a good opportunity to exchange knowledge, innovation and research…
View article: Guest Editorial for the Special Issue on Radio Wave Propagation—Part II
Guest Editorial for the Special Issue on Radio Wave Propagation—Part II Open
The objective of this special issue is to publish papers related to the basic physics of Electromagnetism in thecontext of radio wave propagation, see editorial of Part I [1] .
View article: FOREWORD
FOREWORD Open
on Antennas and Propagation (EurAAP), Institute of Antenna Engineers of Taiwan, Korea Institute of Electronics Engineers (KIEES), and Radio and Electronics Association of Vietnam (REV).ISAP2017 attracted 452 submissions from 33 countries.W…